From c27777c4a5825927f15cd30fa506ce67bc895bff Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 23 May 2026 05:01:40 +0000
Subject: [PATCH 1/2] fix(frontend): stub ResizeObserver in vitest jsdom setup

Agent-Logs-Url: https://github.com/AlanFokCo/EasyQuant/sessions/03e40b4c-7fbe-4693-957f-4e043ae38190

Co-authored-by: AlanFokCo <49893220+AlanFokCo@users.noreply.github.com>
---
 web_strategy_studio/frontend/src/test/setup.ts | 11 +++++++++++
 web_strategy_studio/frontend/vite.config.ts    |  1 +
 2 files changed, 12 insertions(+)
 create mode 100644 web_strategy_studio/frontend/src/test/setup.ts

diff --git a/web_strategy_studio/frontend/src/test/setup.ts b/web_strategy_studio/frontend/src/test/setup.ts
new file mode 100644
index 0000000..81d81ec
--- /dev/null
+++ b/web_strategy_studio/frontend/src/test/setup.ts
@@ -0,0 +1,11 @@
+import { vi } from "vitest";
+
+if (!("ResizeObserver" in globalThis)) {
+  class ResizeObserver {
+    observe() {}
+    unobserve() {}
+    disconnect() {}
+  }
+
+  vi.stubGlobal("ResizeObserver", ResizeObserver);
+}
diff --git a/web_strategy_studio/frontend/vite.config.ts b/web_strategy_studio/frontend/vite.config.ts
index eaa0031..f98df2a 100644
--- a/web_strategy_studio/frontend/vite.config.ts
+++ b/web_strategy_studio/frontend/vite.config.ts
@@ -16,6 +16,7 @@ export default defineConfig({
   },
   test: {
     environment: "jsdom",
+    setupFiles: "./src/test/setup.ts",
     passWithNoTests: true,
   },
 });

From 95906e7e1a5072797c89b524d2922bd4d064c291 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 23 May 2026 05:03:26 +0000
Subject: [PATCH 2/2] chore(test): align ResizeObserver stub with Web API
 signature

Agent-Logs-Url: https://github.com/AlanFokCo/EasyQuant/sessions/03e40b4c-7fbe-4693-957f-4e043ae38190

Co-authored-by: AlanFokCo <49893220+AlanFokCo@users.noreply.github.com>
---
 web_strategy_studio/frontend/src/test/setup.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/web_strategy_studio/frontend/src/test/setup.ts b/web_strategy_studio/frontend/src/test/setup.ts
index 81d81ec..b67bfcf 100644
--- a/web_strategy_studio/frontend/src/test/setup.ts
+++ b/web_strategy_studio/frontend/src/test/setup.ts
@@ -2,8 +2,8 @@ import { vi } from "vitest";
 
 if (!("ResizeObserver" in globalThis)) {
   class ResizeObserver {
-    observe() {}
-    unobserve() {}
+    observe(_target: Element, _options?: ResizeObserverOptions) {}
+    unobserve(_target: Element) {}
     disconnect() {}
   }